TY  - BOOK
AU  - Ackoff, Russell L. ed.
TI  - Progress in operations research
PY  - 1961///
CY  - New York
PB  - John Wiley and Sons, Inc.
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=2322
ER  -